Category: Graph coding problem# Question Your task is to implement a simple in-memory cloud storage system that maps objects (files) to their metadata (name, size, etc.). You...Input: Graph (nodes and edges) Output: Array
codingHardVerified Question#2
2. OA[CodeSignal] Design Banking System
Category: Graph coding problem# Question Design a banking system that supports account management, transactions, and various financial operations.Input: Graph (nodes and edges) Output: Computed result
codingMediumVerified Question#3
3. Friend Requests Sent
Category: Algorithm coding problem# Question Given a list of ages representing users in a social network, calculate the total number of friend requests each user will send based on...Input: List Output: Computed result
codingHardVerified Question#4
4. Minimum Prefix Subset
Category: Tree coding problem# Question Given a list of strings, find the minimum subset of prefixes that can represent the entire input set. A string is "represented" if it...Input: Array of strings Output: Integer
codingMediumVerified Question#5
5. Shortest Substring with Alphabet
Category: Sliding window coding problem*This is a popular twist Meta interviewers often put on the classic leetcode problem to find a minimum window substring.* Given an input string and...Input: String Output: Integer
codingMediumVerified Question#6
6. Shortest Substring with N Unique Characters
Category: String coding problem# Shortest Substring with N Unique Characters *This is a variation of the leetcode problem* Given a string s and an integer n, find the length of...Input: String Output: Computed result
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7. OA[CodeSignal] In-Memory Database
Category: Graph coding problem# Description Implement a simplified in-memory database that supports record manipulation with various operations. The system should handle basic...Input: Graph (nodes and edges) Output: Array
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8. How to pass AI Enabled Coding Rounds From FAANG Interviewer
Category: Algorithm coding problem# Tips For AI Coding Rounds AI coding rounds are not as different from regular coding rounds as you might think. The interviewer still needs to get...Input: Given input Output: Computed result
codingEasyVerified Question#9
9. [CodeSignal] Count Non-Dominant Elements
Category: Array coding problem# Question Given an array of integers numbers, count all elements that are not equal to numbers[0] or numbers[1] (if those indices exist in the...Input: Array of integers Output: Computed result
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10. [CodeSignal] Sort Words By Vowel Consonant Difference
Category: Array coding problem# Question You are given a string text consisting of unique lowercase English words separated by spaces. For each word, compute the absolute...Input: Array Output:** Computed result
codingMediumVerified Question#11
11. [CodeSignal] Warehouse Robot Commands
Category: Matrix coding problem# Question In a highly automated warehouse, a robot organizes packages stored in a rectangular grid. The grid is represented as a 2D list of integers...Input: Matrix (2D array) Output: Computed result
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12. [CodeSignal] House Segments After Destruction
Category: Array coding problem# Question You are monitoring the building density in a district of houses. The district is represented as a number line, where each house is located...Input: Array of integers Output: Array
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13. Distribution Center Placement
Category: Array coding problemA logistics company is expanding its distribution network along a single highway. You are given an array of integers locations representing the...Input: Array of integers Output: Computed result
codingHardVerified Question#14
14. Expression Simplifier
Category: String coding problemGiven an algebraic expression string containing single lowercase-letter variables, the operators + and -, and parentheses ( and ), simplify...Input: String Output: Computed result
codingMediumVerified Question#15
15. Minimum Sum Tree Path
Category: Binary tree coding problem# Minimum Sum Tree PathInput: Binary tree Output: Computed result
product strategySeniorproduct strategy#1
1. [OA] Go-to-Market Strategy — Designing a feature rollout for Meta's Reels
As Meta continues to innovate within the social media space, it's crucial to launch successful features that engage users effectively. The Reels feature aims to enhance user interaction and compete with other platforms effectively. Problem statement: How would you devise a comprehensive go-to-market strategy for a new feature in Reels that targets younger audiences? Consider aspects like market research, user engagement, potential partnerships, and marketing strategies.Example 1: - Input: Engage a user survey post-launch. - Output: Feedback metrics indicating user satisfaction and areas of improvement. - Explanation: Collecting user feedback will directly inform campaign effectiveness and areas to focus on in future iterations.Constraints: - Target demographic: 18-24 age group. - Timeline to rollout: 3 months. - Budget for marketing: $500,000.
metricsMediummetrics#2
2. [OA] User Feedback Analysis — Diagnosing A/B test results for Meta Ads
To enhance the Meta Ads platform, understanding the effectiveness of A/B tests is crucial. Determining the right KPIs can be complex and impacts overall strategy. Problem Statement: You conducted an A/B test comparing two ad types. How would you analyze the metrics to determine which ad type performed better and why? Example 1: - Input: Ad Type A clicked 0.5% of the time, Ad Type B 0.7%. - Output: Choose Ad Type B as more engaging based on click-through rates (CTRs). - Explanation: Higher CTR indicates better user engagement for that ad type. Constraints: - Test clarity on key business goals: What constitutes a successful ad? - Ensure tests run over a sufficient time frame to avoid seasonal or off-day effects. - Avoid being influenced by outliers in behavior in small sample sizes.